Air Quality Tester Temperature Humidity Detection CO2 PM2.5 Monitor For Home
PM2.5 Detection Range: 0-999 ug/m³. [Alarm Equipped] Alerts with alarm sounds when PPM values increase (alarm can be muted). CO2 Detection Range: 0-5000 ppm. Humidity Detection Range: 20%-85% RH. Temperature Detection Range: -10℃ to 50℃.